Collecting MustGather data for Out of Memory issues

Prepare the following MustGather information before you call IBM Support to help with Out of Memory issues.

Procedure

1. Enable verbose garbage collection (verboseGC) in WebSphere Application Server.

2. Enable verbose garbage collection (verboseGC) in WebSphere Liberty.

3. Reproduce the problem.

   Record the specific steps that we used to reproduce the problem and any details that might be relevant.

4. Collect the following files.

   • In the Transaction server Docker container:

     • /opt/WebSphere/AppServer/profiles/default/core*.dmp

     • /opt/WebSphere/AppServer/profiles/default/heapdump*.phd

     • /opt/WebSphere/AppServer/profiles/default/javacore*.txt

     • /opt/WebSphere/AppServer/profiles/default/Snap*.trc

     • /opt/WebSphere/AppServer/profiles/default/logs/server1/*.log

   • In the Search server Docker container, Store server Docker container, Customization server Docker container:

     • /opt/WebSphere/Liberty/usr/servers/default/core*.dmp

     • /opt/WebSphere/Liberty/usr/servers/default/heapdump*.phd

     • /opt/WebSphere/Liberty/usr/servers/default/javacore*.txt

     • /opt/WebSphere/Liberty/usr/servers/default/Snap*.trc

     • /opt/WebSphere/Liberty/usr/servers/default/logs/messages.log

     • /opt/WebSphere/Liberty/usr/servers/default/logs/console.log